# 使用Python 3.11官方镜像作为基础镜像
FROM python:3.11-slim

# 设置环境变量
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV DJANGO_SETTINGS_MODULE=geo_survey_backend.settings

# 设置工作目录
WORKDIR /app

# 安装系统依赖
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        build-essential \
        libpq-dev \
        libjpeg-dev \
        zlib1g-dev \
        libfreetype6-dev \
        liblcms2-dev \
        libwebp-dev \
        tcl8.6-dev \
        tk8.6-dev \
        python3-tk \
        curl \
    && rm -rf /var/lib/apt/lists/*

# 复制依赖文件
COPY requirements.txt /app/

# 安装Python依赖
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# 复制项目文件
COPY . /app/

# 创建必要的目录
RUN mkdir -p /app/static /app/media /app/logs

# 设置权限
RUN chmod +x /app/manage.py

# 收集静态文件
RUN python manage.py collectstatic --noinput || true

# 创建非root用户
RUN adduser --disabled-password --gecos '' appuser \
    && chown -R appuser:appuser /app
USER appuser

# 暴露端口
EXPOSE 8000

# 健康检查
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/api/ || exit 1

# 启动命令
CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]